Secure our Nation, Ignite your Future Become an integral part of a diverse team while working at an Industry Leading Organization, where our employees come first. At ManTech, you'll help protect our national security while working on innovative projects that offer opportunities for advancement. Currently, ManTech is seeking a motivated, career and customer-oriented Senior Software Developer to join our team. This is a remote position from anywhere in the US. Responsibilities include but are not limited to: * Performs as a technical expert in the design development, coding, testing, and debugging new software or complex enhancements to existing software * Works with technical staff to understand and to develop resolution of software problems * Resolves customer complaints with software and respond to suggestions for software modifications or enhancements * Participates in the development of software user manuals. Assists in the training of less experienced software development staff and may act as a team leader on less complex projects Basic Qualifications: * A minimum of five plus (5 ) years of related experience * Bachelor's degree (in Computer Science, Math, Electrical Engineering or related field) * Experience developing and supporting Legacy Systems undergoing modernization and eventually being replaced, such as VB6, .NET, Oracle, and Java Clearance Requirements: * Must be a US Citizen and able to obtain and maintain a public trust clearance suitability. Physical Requirements: * Must be able to remain in stationary position for up to 50% of the time. * Must be able to deliver clear and effective communication both verbally and non-verbally to deliver updates; briefings; or interface with co-workers; leadership as well as customer. * Must be able to work in an office environment and be able to freely move within this space to utilize office equipment as well as interface with co-workers and customer. * Must be able to effectively use IT peripherals such as laptop, desktop, printer, fax machine, etc. * Must be able to deliver presentations as needed. * Must be able to review; decipher and understand program manuals; IT service requests; work orders; etc. The projected compensation range for this position is $90,600-$121,555. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, ManTech invests in it's employees beyond just compensation. ManTech's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, Short Term and Long Term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections. For all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license.The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone. ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law. If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at (703) 218-6000. ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. 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